3215985 has 8 divisors (see below), whose sum is σ = 5145600. Its totient is φ = 1715184.

The previous prime is 3215983. The next prime is 3216007. The reversal of 3215985 is 5895123.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3215985 - 2¹ = 3215983 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3215983) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 107185 + ... + 107214.

It is an arithmetic number, because the mean of its divisors is an integer number (643200).

Almost surely, 2^3215985 is an apocalyptic number.

It is an amenable number.

3215985 is a deficient number, since it is larger than the sum of its proper divisors (1929615).

3215985 is a wasteful number, since it uses less digits than its factorization.

3215985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214407.

The product of its digits is 10800, while the sum is 33.

The square root of 3215985 is about 1793.3167595269. The cubic root of 3215985 is about 147.6062243540.

The spelling of 3215985 in words is "three million, two hundred fifteen thousand, nine hundred eighty-five".